Spectral sequences in string topology

Meier, Lennart

doi:10.2140/agt.2011.11.2829

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Spectral sequences in string topology

Lennart Meier

Algebraic & Geometric Topology 11 (2011) 2829–2860

DOI: 10.2140/agt.2011.11.2829

Abstract

In this paper, we investigate the behavior of the Serre spectral sequence with respect to the algebraic structures of string topology in generalized homology theories, specifically with the Chas–Sullivan product and the corresponding coproduct and module structures. We prove compatibility for two kinds of fiber bundles: the fiber bundle $Ω^{n} M \to L^{n} M \to M$ for an $h_{*}$ –oriented manifold $M$ and the looped fiber bundle $L^{n} F \to L^{n} E \to L^{n} B$ of a fiber bundle $F \to E \to B$ of $h_{*}$ –oriented manifolds. Our method lies in the construction of Gysin morphisms of spectral sequences. We apply these results to study the ordinary homology of the free loop spaces of sphere bundles and some generalized homologies of the free loop spaces of spheres and projective spaces. For the latter purpose, we construct explicit manifold generators for the homology of these spaces.

Keywords

string topology, free loop space, Serre spectral sequence, Gysin morphism

Mathematical Subject Classification 2000

Primary: 55P35, 55T10

Secondary: 57R19

References

Publication

Received: 8 June 2010

Revised: 12 September 2011

Accepted: 14 September 2011

Published: 14 October 2011

Authors

Lennart Meier
Mathematisches Institut Universität Bonn Endenicher Allee 60 D-53115 Bonn Germany
http://www.math.uni-bonn.de/people/lmeier/

Volume 11, issue 5 (2011)